Browsing Articles by Subject "Parallax -- Stars"

Browsing Articles by Subject "Parallax -- Stars"

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    Discovery of the host cluster for the fundamental Cepheid calibrator Zeta Geminorum 
    Majaess, Daniel J.; Turner, David Gerald, 1945-; Gieren, W.; Balam, D.; Lane, D. J. (IOP Publishing Limited, 2012-03-20)
    New and existing CORAVEL, UBVJHKs, HST, HIP/Tycho, ARO, KPNO, and DAO observations imply that the fundamental Cepheid calibrator ζ Gem is a cluster member. The following parameters were inferred for ζ ...

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    Strengthening the open cluster distance scale via VVV photometry 
    Majaess, Daniel J.; Turner, David Gerald, 1945-; Bidin, C. Moni; Geisler, D.; Borissova, J.; Minniti, D.; Bonatto, C.; Gieren, W.; Carraro, G.; Kurtev, R. (EDP Sciences, 2012-01)
    Approximately 14% of known Galactic open clusters possess absolute errors ≤20% as evaluated from n ≥ 3 independent distance estimates, and the statistics for age estimates are markedly worse. That impedes such diverse ...